Dataset

Non-indigenous (NIS) and cryptogenic species in European regional seas and adjacent areas

EurOBIS MeasurementOrFact Open in mapper Explore occurrences

The dataset includes 3305 georeferenced points/records. The data records were gathered using three types: digitatalization, exact occurences and expert judgement. The georeferenced data was extracted from the scientific publications and specialized databases (AquaNIS, ICES and Google scholar).

Citation: AquaNIS. Editorial Board, 2020. Information system on Aquatic Non-Indigenous and Cryptogenic Species. World Wide Web electronic publication. www.corpi.ku.lt/databases/aquanis. Version 2.36+. Accessed 2020-09-09

Published: September 17, 2025 at 09:34

URL: http://ipt.vliz.be/eurobis/resource?r=non_indigenous_and_cryptogenic_species

3,306
occurrence records
24
measurements and facts
56
taxa
56
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 3,306
100.0%
maximumDepthInMeters 3,306
100.0%
minimumDepthInMeters 3,306
100.0%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag Dropped Records
NO_DEPTH 3,306
100.0%
ON_LAND 86
2.6%
NOT_MARINE 11
0.3%
NO_ACCEPTED_NAME 4
0.1%

Measurement types

DNA derived data